What is CVE-2025-53951?

CVE-2025-53951 is a medium-severity vulnerability in Fortinet Fortidlp, classified under Path Traversal. CVSS score: 5.3/10. Published 2025-10-16.

How severe is CVE-2025-53951?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Path Traversal in Fortinet Fortidlp

CVE-2025-53951

An Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability [CWE-22] in Fortinet FortiDLP Agent's Outlookproxy plugin for Windows 11.5.1 and 11.4.2 through 11.4.6 and 11.3.2 through 11.3.4 and 11.2.0 thr…

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.002 (8.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.

Affected products

Fortinet Fortidlp — versions 11.5.1, 11.4.2, 11.3.2
Fortinet Fortidlp_agent
Microsoft Windows

Weakness classification (CWE)

CWE-22 — Path Traversal

References

psirt@fortinet.com (Vendor Advisory)

Frequently asked questions

What is CVE-2025-53951?: CVE-2025-53951 is a medium-severity vulnerability in Fortinet Fortidlp, classified under Path Traversal. CVSS score: 5.3/10. Published 2025-10-16.
How severe is CVE-2025-53951?: Medium severity. CVSS v3 base score is 5.3 out of 10.